Timeline Sources

• Canada Public Health Association
• The Canadian Encyclopedia: Smallpox in Canada
• Canadian Museum of History
• Conquering the Crippler: Canada and the Eradication of Polio (Canada Public Health Association)
• Government of Canada – Coronavirus Disease
• Government of Canada – Health, Mumps
• Government of Canada: NACI Fifty Years of Service
• Government of Canada – Smallpox vaccine: Canadian Immunization Guide
• Hepatitis B Foundation
• The History of Vaccines (The College of Physicians of Philadelphia) – Timeline
• Immunize Canada
• Museum of Healthcare at Kingston – Vaccines & Immunization: Epidemics, Prevention and Canadian Innovation
• Royal Society of Canada – Canada’s Vaccine Legacy: Influenza, Polio & COVID-19
• U.S. National Library of Medicine: Canada’s first universal varicella immunization program